Keyword Action Chatter Trigger – Keyword in chatter used to update/change records

This is a practice demo for the new chatter triggers, working from the released Spring '11
example. By typing the keyword  '!close'  on a Opportunity entity feed, it will automatically close the Opportunity. This could be a very usefull feature to quickly close an opp from a mobile phone on the mobile chatter app.

Here is the trigger code